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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

using model chemistry: CCSD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-358.587915
Energy at 298.15K-358.595930
HF Energy-357.537751
Nuclear repulsion energy251.414921
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3167 3001 15.59      
2 A' 3099 2935 10.95      
3 A' 3078 2916 13.90      
4 A' 1793 1698 418.29      
5 A' 1528 1447 0.64      
6 A' 1501 1422 4.12      
7 A' 1448 1371 14.05      
8 A' 1414 1339 85.61      
9 A' 1364 1292 176.88      
10 A' 1162 1100 18.91      
11 A' 1089 1031 74.34      
12 A' 963 912 121.00      
13 A' 910 862 112.84      
14 A' 739 700 7.05      
15 A' 586 555 2.16      
16 A' 391 370 1.53      
17 A' 236 224 0.32      
18 A" 3177 3010 28.86      
19 A" 3152 2986 6.18      
20 A" 1484 1405 5.64      
21 A" 1297 1229 0.92      
22 A" 1190 1127 4.82      
23 A" 832 788 0.10      
24 A" 795 753 18.90      
25 A" 262 248 0.54      
26 A" 124 118 1.15      
27 A" 107 101 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 18442.0 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 17470.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVDZ
ABC
0.33279 0.07395 0.06194

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.103 -0.298 0.000
O2 0.000 0.561 0.000
O3 2.149 0.290 0.000
O4 0.887 -1.488 0.000
C5 -1.271 -0.132 0.000
C6 -2.322 0.967 0.000
H7 -1.340 -0.772 0.896
H8 -1.340 -0.772 -0.896
H9 -3.327 0.511 0.000
H10 -2.222 1.603 0.896
H11 -2.222 1.603 -0.896

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.39791.19991.20932.37933.65112.64502.64504.50323.93333.9333
O21.39792.16562.23261.44702.35722.09152.09153.32732.61262.6126
O31.19992.16562.18013.44514.52153.75543.75545.48004.65064.6506
O41.20932.23262.18012.54874.04072.50542.50544.66444.47464.4746
C52.37931.44703.44512.54871.52091.10301.10302.15452.17172.1717
C63.65112.35724.52154.04071.52092.18862.18861.10381.10311.1031
H72.64502.09153.75542.50541.10302.18861.79122.52882.53283.1026
H82.64502.09153.75542.50541.10302.18861.79122.52883.10262.5328
H94.50323.32735.48004.66442.15451.10382.52882.52881.79321.7932
H103.93332.61264.65064.47462.17171.10312.53283.10261.79321.7925
H113.93332.61264.65064.47462.17171.10313.10262.53281.79321.7925

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 113.497 O2 N1 O3 112.727
O2 N1 O4 117.639 O2 C5 C6 105.137
O2 C5 H7 109.467 O2 C5 H8 109.467
O3 N1 O4 129.634 C5 C6 H9 109.317
C5 C6 H10 110.704 C5 C6 H11 110.704
C6 C5 H7 112.062 C6 C5 H8 112.062
H7 C5 H8 108.572 H9 C6 H10 108.693
H9 C6 H11 108.693 H10 C6 H11 108.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability